Ok. I have 11 pairs of FRC bibs. I love the Cirro Omni Form Chamois, and I have believed it to be the best chamois ever made. I am such a Giordana fan that I have my own account manager here at CC .....Hi Corey!". When Giordana announced that they were going to be producing the FR-C Pro back in Sept/October to have another level of bib that was to be used by Orica/Scott and Astana Pro Team, I was pretty nervous. They were completely re-designing the chamois and were going to call it Cirro-S. It looked absolutely nothing like the COF that I absolutely love. I just finished climbing Mt. Hamilton in Northern California. It is a 22 mile climb with 5500 feet of gain. It has been used in the Tour of California several times, and I use this ride as my barometer of how a bib works. The Cirro-S chamois is a complete game changer for me. Keep in mind that CC's description of this bib lists it as having the Cirro Omni Form. These have the Cirro-S and CC should change the description.........anyhoo....."I tend to ramble". I had some communication with Giordana through GITA, and Instagram voicing my concerns about the top level chamois change. They insisted that it is better in every way, and they were right. It is shaped completely differently from COF and on the surface appears almost completely smooth. No contours or relief channels at all. Frankly it looks very, very, cheap. Like a counterfeit bib from ebay. After riding it today, I cannot even imagine going back to the regular FRC and this is a problem because I have a lot of them and love them. The chamois totally disappears under you. I mean totally. For real. Real talk. Truth. It is split in half somehow right in the middle, and the two halves of the pad move independently of one another. Similar to Assos' "Golden Gate" and the new top end Shimano Sphyre pads. It works remarkably well, and actually made my entire lower body feel fresher, with much less fatigue . It is really top drawer. The best IMO and I have ridden them all.......my reviews are here to find. Assos, Top end Cytech pads found in Rapha, and Capo. Sportful's Total Comfort Pro. Castelli Kiss, etc, and of course the Cirro Omni Form. While I will continue to love the FR-C, The FR-C Pro is by far my favorite piece of Italian made kit. The rest of the bib is of course perfect. The anti-abrasion seat and inner leg area, the same leg bands as the regular FR-C, great compression, luxurious fabrics, great loud, Italian style, and I would imagine, incredible durability as is the case with all FR-C stuff. Thank you so much for reading this ridiculously long review, but I really try to help other roadies out by giving detailed reviews on good product. For reference, I am 6'1" 180, and the XXL is always perfect. Runs very small so I would say size up 2 levels, not one.